NSK 21312EAE4
Spherical Roller Bearings
(BRAND)：NSK
(Availability)：In Stock
Designations
21312EAE4
Boundary Dimensions
d
60
mm
Bore diameter
D
130
mm
Outside diameter
B
31
mm
Width
r (min.)
2.1
mm
Chamfer dimension
Basic Load Ratings
Cr
238000
N
Basic dynamic load rating
C0r
244000
N
Basic static load rating
Speeds
Thermal Speed Rating (Oil-bath)
4800
min-1
Oil-bath lubrication subject to conditions outlined in ISO 15312
Mechanical (forced-circulation oil)
6700
min-1
Properly designed and controlled forced-circulation oil lubrication
Grease
3800
min-1
Grease lubrication
Oil (Oil-bath)
4800
min-1
Oil-bath lubrication
da (min.)
72
mm
Diameter of shaft abutment
da (max.)
87
mm
Diameter of shaft abutment
Da (min.)
117
mm
Diameter of housing abutment
Da (max.)
118
mm
Diameter of housing abutment
ra (max.)
2
mm
Radius of shaft or housing fillet
Abutment and Fillet Dimensions
e
0.22
Constant
Y2
4.5
Axial load Factors
Y3
3
Axial load Factors
Y0
3
Axial load Factors
